Cobalt
#1B51C5
BlueColor Codes
All color formats for development
HEX
#1B51C5RGB
rgb(27, 81, 197)HSL
hsl(221, 76%, 44%)OKLCH
oklch(0.476 0.19 262.7)CMYK
cmyk(86%, 59%, 0%, 23%)Accessibility
WCAG contrast compliance
Tailwind Scale
50-950 scale matching Tailwind CSS naming
Shades
Darker variations
1#1849B2
2#16419E
3#13398A
4#103176
5#0D2863
6#0B204F
7#08183B
8#051027
9#030814
Tints
Lighter variations
1#1E5BDF
2#366DE4
3#4F7FE7
4#6891EA
5#81A4EE
6#9AB6F1
7#B4C8F5
8#CDDAF8
9#E6EDFC
Tones
Muted variations
1#2354BD
2#2C57B4
3#355AAC
4#3D5DA3
5#46619B
6#4E6492
7#57678A
8#5F6A81
9#686D79
Usage Guidelines
Recommended use cases for each shade level
| Level | Color | Typical Use Cases |
|---|---|---|
| 50 | F2F5 #F2F5FD | BackgroundsSubtle highlightsCard backgrounds |
| 100 | E0E8 #E0E8FB | Light backgroundsTable row hoverSkeleton loading |
| 200 | C5D5 #C5D5F7 | Secondary backgroundsInput backgroundsDividers |
| 300 | 98B4 #98B4F1 | BordersInactive statesPlaceholder text |
| 400 | 628D #628DEA | Disabled statesSecondary iconsMuted text |
| 500 | 356C #356CE3 | Primary brand colorCTAsActive elementsLinks |
| 600 | 1B51 #1B51C5 | Hover statesFocus ringsPrimary buttons hover |
| 700 | 1540 #15409D | Active/pressed statesDark mode accentsSecondary text |
| 800 | 0F2E #0F2E70 | Text on light backgroundsHeadingsStrong borders |
| 900 | 0A1D #0A1D48 | Primary textHigh emphasis contentDark headings |
| 950 | 0612 #06122D | Maximum contrast textDark mode backgrounds |
Export Code
Copy ready-to-use code for your project
:root {
--cobalt-50: #F2F5FD;
--cobalt-100: #E0E8FB;
--cobalt-200: #C5D5F7;
--cobalt-300: #98B4F1;
--cobalt-400: #628DEA;
--cobalt-500: #356CE3;
--cobalt-600: #1B51C5;
--cobalt-700: #15409D;
--cobalt-800: #0F2E70;
--cobalt-900: #0A1D48;
--cobalt-950: #06122D;
}